What does the lyrics of the lover's bosom friend express (what does the song of the lover's bosom friend express)

What's the difference between being a confidant and being a lover?

In the appointed time, there is no mark on each other, but I am sure that I can recognize each other in the vast street. When two hands that have written each other's names on envelopes for countless times finally shake hands, a journey of a thousand miles is condensed into a very close distance. The first time we met, we met like old friends, so we sat face to face and spoke freely. Although our time is only two hours, two hours can also enrich a life! When he left, he offered to give me a present.

Are Cao Cao and Cai Wenji lovers or bosom friends?

Later, Cai Wenji married Wei Zhongdao, an aristocrat in Hedong. The couple had a good relationship, but a year later, her husband died and she went home.